Base | Representation |
---|---|
bin | 11001101010010… |
… | …10101101110000 |
3 | 120000001112211220 |
4 | 30311022231300 |
5 | 420101422422 |
6 | 33205505040 |
7 | 5222500110 |
oct | 1465125560 |
9 | 500045756 |
10 | 215264112 |
11 | 100569128 |
12 | 60112180 |
13 | 3579cc1b |
14 | 20837040 |
15 | 13d71e5c |
hex | cd4ab70 |
215264112 has 40 divisors (see below), whose sum is σ = 635542656. Its totient is φ = 61503936.
The previous prime is 215264087. The next prime is 215264173. The reversal of 215264112 is 211462512.
215264112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319998 + ... + 320669.
Almost surely, 2215264112 is an apocalyptic number.
It is an amenable number.
215264112 is an abundant number, since it is smaller than the sum of its proper divisors (420278544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215264112 is a wasteful number, since it uses less digits than its factorization.
215264112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 640685 (or 640679 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 215264112 is about 14671.8816789122. The cubic root of 215264112 is about 599.3178469615.
The spelling of 215264112 in words is "two hundred fifteen million, two hundred sixty-four thousand, one hundred twelve".
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